55644876 has 144 divisors (see below), whose sum is σ = 176117760. Its totient is φ = 14446080.

The previous prime is 55644829. The next prime is 55644877. The reversal of 55644876 is 67844655.

55644876 is a `hidden beast` number, since 5 + 564 + 4 + 87 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (55644877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 132595 + ... + 133013.

It is an arithmetic number, because the mean of its divisors is an integer number (1223040).

Almost surely, 2^55644876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55644876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88058880).

55644876 is an abundant number, since it is smaller than the sum of its proper divisors (120472884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55644876 is a wasteful number, since it uses less digits than its factorization.

55644876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 479 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 55644876 is about 7459.5493161450. The cubic root of 55644876 is about 381.7757974597.

It can be divided in two parts, 5564 and 4876, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 55644876 in words is "fifty-five million, six hundred forty-four thousand, eight hundred seventy-six".